1Z0-805 試験問題を無料オンラインアクセス

Given the code fragment:
try {
String query = "SELECT * FROM Employee WHERE ID=110";
Statement stmt = conn.createStatement();
ResultSet rs = stmt.executeQuery(query); // Line 13
System.out.println("Employee ID: " + rs.getInt("ID")); // Line 14
} catch (Exception se) {
System.out.println("Error");
}
Assume that the SQL query matches one record. What is the result of compiling and executing this code?

• A.Compilation fails due to an error at line 14.
• B.Compilation fails due to an error at line 13.
• C.The code prints the employee ID.
• D.The code prints error.

Which three enum constants are defined in FilevisitResult?

• A.SKIP_SIBLINGS
• B.DELETE_CHILD
• C.TERMINATE
• D.CONTINUE
• E.FOLLOW_LINKS
• F.NOFOLLOW_LINKS

Given the code fragment:
List<Person> pList = new CopyOnWriteArrayList<Person>();
Which statement is true?

• A.A Person object retrieved from the List is copied when written to.
• B.Person objects retrieved from the List are thread-safe.
• C.Read access to the List should be synchronized.
• D.Write access to the List should be synchronized.
• E.Multiple threads can safely delete Person objects from the List.

The default file system includes a logFiles directory that contains the following files:
log - Jan2009
log_01_2010
log_Feb2010
log_Feb2011
log-sum-2012
How many files the matcher in this fragment match?
PathMatcher matcher = FileSystems.getDefault ().getPathMatcher ("glob:???_*1");

• A.Six
• B.One
• C.Four
• D.Five
• E.Two
• F.Three

Given the code fragment:
public class App {
public static void main (String [] args) {
path path = paths.get("C\\educations\\institute\\student\\report.txt");
system.out.printIn("getName(0): %s", path.getName(0));
system.out.prinIn("subpath(0, 2): %s" path.subpath(0, 2));
}
}
What is the result?

• A.getName(0): report.txt subpath (0, 2): institute\student
• B.getName(0): education
  subpath(0, 2: education\institute\student
• C.getName(0): education subpath(0, 2): education\institute
• D.getName (0): C:\
  subpath(0, 2): education\institute
• E.getName (0): C:\
  subpath(0, 2): C:\education\report.txt